a constant electric field of 100 N/C exists everywhere in the X-Y plane and poin

Question

a constant electric field of 100 N/C exists everywhere in the X-Y plane and points in the positive x direction. A charge of -5x10-6 C is placed at the origin. At a distance d along the positive x-axis, the net electric field is 395 N/m. What is the strength of the net electric field at a distance of 2d along the positive x-axis? a constant electric field of 100 N/C exists everywhere in the X-Y plane and points in the positive x direction. A charge of -5x10-6 C is placed at the origin. At a distance d along the positive x-axis, the net electric field is 395 N/m. What is the strength of the net electric field at a distance of 2d along the positive x-axis? a constant electric field of 100 N/C exists everywhere in the X-Y plane and points in the positive x direction. A charge of -5x10-6 C is placed at the origin. At a distance d along the positive x-axis, the net electric field is 395 N/m. What is the strength of the net electric field at a distance of 2d along the positive x-axis?

Explanation / Answer

E is inversely propotional to sqaure of distance

if distance double

E' = E/4

E' = 395/4 = 98.75 N/C

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